| 年度 | 实际值 |
|---|---|
| 1992 | 33602 |
| 1993 | |
| 1994 | |
| 1995 | 19856 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 41632 |
| 2000 | 36680 |
| 2001 | 24437 |
| 2002 | 30447 |
| 2003 | 31673 |
| 2004 | 42152 |
| 2005 | 43175 |
| 2006 | 47570 |
| 2007 | 38648 |
| 2008 | 48139 |
| 2009 | 52856 |
| 2010 | 52853 |
| 2011 | 43106 |
| 2012 | 46481 |
| 2013 | 43100 |
| 2014 | 42009 |
| 2015 | 45339 |
| 2016 | 44039 |